Clean Water Act discharge permit · NPDES MTR102350

RICHLAND COUNTY - EAST CARLSON BRIDGE, Sidney, MT: NPDES MTR102350 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

RICHLAND COUNTY - EAST CARLSON BRIDGE, held by RICHLAND COUNTY PUBLIC WORKS, holds NPDES permit MTR102350, which discharges to Long Grass Creek. EPA’s file records it issued September 21, 2006 and expiring December 31, 2006. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for RICHLAND COUNTY - EAST CARLSON BRIDGE: its NPDES ID, its permit type and status, its dates, its address in Sidney, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR102350.

Identity

Facility as filed	RICHLAND COUNTY - EAST CARLSON BRIDGE
Permittee as filed	RICHLAND COUNTY PUBLIC WORKS
NPDES ID	MTR102350
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	September 21, 2006
Expiration date	December 31, 2006
Issuing agency	MONTANA DEQ
Address	Sidney, MT 59270
Receiving water	LONG GRASS CREEK
Subwatershed	Long Grass Creek (HUC 100600021506)
SIC	1622 – Bridge, Tunnel, & Elevated Highway

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTR102350.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MTR102350.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MTR102350.

Start the watch

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID MTR102350 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers NPDES permit MTR102350, held by RICHLAND COUNTY PUBLIC WORKS for RICHLAND COUNTY - EAST CARLSON BRIDGE in Sidney, Montana, which discharges to Long Grass Creek. The permit is listed as administratively continued, with a Minor discharger class, and the page shows 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance. The Construction program is the only program type listed.